生物防治技术是从生态学中发展起来的一项农业病虫害先进防治技术。它根据每种生物在自然界都有其天敌的生物学原理,利用自然界本身存在的天然物质,有效地控制作物病虫害。例如,原来防治松树害虫松毛虫采取的方法是化学药剂杀灭,但成本高、污染环境,而 Biological control technology is developed from the ecology of an advanced prevention and control of agricultural pests and diseases. It is based on the biology of each creature has its natural enemies in nature, the use of natural substances in nature itself, the effective control of crop pests and diseases. For example, the original method of controlling pine pests, pine caterpillars, is to kill chemical agents but at a high cost and pollute the environment